Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=4002
{ "count": 59381, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4003", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4001", "results": [ { "id": 9182, "name": "Ancient Adventure", "director": { "id": 101306, "username": "Scaevola", "country": "tw", "icon": "https://user-uploads.online-go.com/cb01a2ff923b1fcaa1339dd864ddad00-64.png", "ratings": { "version": 5, "overall": { "rating": 1338.4819504731647, "deviation": 66.40420533921888, "volatility": 0.05995952138661418 } }, "ranking": 21.665925621201833, "professional": false, "ui_class": "" }, "description": "Just another tournament...that will be totally awesome", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 537, "name": "Race to SDK!", "summary": "A place for rivals to get stronger together", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 61, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2015-07-25T07:54:00Z", "players_start": 10, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 16, "analysis_enabled": true, "exclusivity": "open", "started": "2015-07-30T06:32:30.346252Z", "ended": "2019-06-07T17:31:35.402509Z", "start_waiting": "2015-07-30T06:32:29.504141Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 34828, "name": "Correspondence 19x19 RoundRobin 2018-02-24 01:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 3341, "name": "FSTS Super Cup - 2015", "director": { "id": 87790, "username": "WiseBear", "country": "ru", "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png", "ratings": { "version": 5, "overall": { "rating": 1104.0021061102002, "deviation": 62.08308547890164, "volatility": 0.06028822213904829 } }, "ranking": 17.207368885691388, "professional": false, "ui_class": "" }, "description": "This competition will start at January, 8, 2015", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 110400, "time_control_parameters": { "time_control": "byoyomi", "period_time": 86400, "main_time": 2160000, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 353, "name": "Four Seasons Tournament Series", "summary": "Серия турниров \"Четыре Сезона\"", 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Tournament", "rrule": "DTSTART:20260417T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-17T21:00:56.377933Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-04-18T01:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2019-11-01T17:30:30.974079Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-11-01T17:30:32.954577Z", "ended": "2019-11-01T17:47:05.237609Z", "start_waiting": "2019-11-01T17:30:32.372074Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 33101, "name": "dogil123", "director": { "id": 482336, "username": "zoyo", "country": "kr", "icon": "https://user-uploads.online-go.com/ef744eb6e1e61deb3abb84b7d3f36fbc-64.png", "ratings": { "version": 5, "overall": { "rating": 1538.5004398966046, "deviation": 66.07100450419793, "volatility": 0.06003484256250964 } }, "ranking": 24.890074798924175, "professional": false, "ui_class": "" }, "description": "have good game", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2029, "name": "독일153", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2017-12-25T09:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2017-12-25T19:43:52.159872Z", "ended": "2018-04-11T03:42:23.974295Z", "start_waiting": "2017-12-25T19:43:51.835258Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 33303, "name": "Nottingham February 2018", "director": { "id": 261476, "username": "Ulyaoth", "country": "gb", "icon": "https://user-uploads.online-go.com/d6144da587a6b66d48f9178c80828af9-64.png", "ratings": { "version": 5, "overall": { "rating": 1327.7329667797278, "deviation": 62.12498096771621, "volatility": 0.060026357388284074 } }, "ranking": 21.479263759049143, "professional": false, "ui_class": "" }, "description": "February online tournament for the Nottingham Go Club", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 24, "time_control_parameters": { "period_time": 600, "main_time": 60, "system": "canadian", "pause_on_weekends": false, "time_control": "canadian", "stones_per_period": 25, "speed": "live" }, "is_open": true, "exclude_provisional": true, "group": { "id": 83, "name": "Nottingham Go Club", "summary": "Online Group for Go players in the Nottingham and Derby Area", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 91, "icon": "https://user-uploads.online-go.com/9d477e88b677bde5e483440a488a2cf3-64.png" }, "auto_start_on_max": false, "time_start": "2018-02-04T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-02-04T14:00:34.861043Z", "ended": "2018-02-04T15:32:22.458868Z", "start_waiting": "2018-02-04T14:00:34.311055Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9d477e88b677bde5e483440a488a2cf3-15.png", "player_count": 6, "ranked": true }, { "id": 33937, "name": "Blitz 19x19 Elimination Tournament 2018-01-23 13:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1125.8827017028436, "deviation": 78.19731452501959, "volatility": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260417T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-17T21:00:56.377933Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-04-18T01:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-01-23T13:30:19.888002Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-01-23T13:30:22.217124Z", "ended": "2018-01-23T14:04:27.556166Z", "start_waiting": "2018-01-23T13:30:21.830978Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 5, "ranked": true }, { "id": 39638, "name": "Blitz 19x19 Elimination Tournament 2018-08-03 05:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1125.8827017028436, "deviation": 78.19731452501959, "volatility": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260417T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-17T21:00:56.377933Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-04-18T01:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-08-03T05:30:18.914253Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-08-03T05:30:21.193835Z", "ended": "2018-08-03T05:51:54.484269Z", "start_waiting": "2018-08-03T05:30:20.801748Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 41138, "name": "Geht in jede Ecke", "director": { "id": 522816, "username": "RufusGoldstreiff", "country": "un", "icon": "https://secure.gravatar.com/avatar/4ff1a2b835bdb6c41c4679349208dc90?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1153.4641900213853, "deviation": 64.81230610804766, "volatility": 0.06007891407607496 } }, "ranking": 18.221984723465166, "professional": false, "ui_class": "" }, "description": "Turnier", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 120, "max_time": 180, "time_increment": 30, "speed": "live" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2321, "name": "Schulis Beginner 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